Sebi clears long-awaited NSE IPO; listing likely around September 25

•Sebi approves NSE IPO, expected to be largest fundraise from primary market.

•IPO to open for subscription on September 15, listing likely by September 25.

•NSE shares will be listed on BSE, with selling shareholders including SBI, Bank of Baroda, and LIC.

•IPO size pegged at nearly Rs 30,000 crore, with shares trading at Rs 1,975 apiece in unlisted market.